diff options
| author | Jonas Zetterberg <jozz@jozz.se> | 2010-02-14 19:33:24 +0000 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-02-19 15:22:17 -0800 |
| commit | c67b0d987088ae0339edc66de63aea5ac3d76c0d (patch) | |
| tree | 1f895d2091e39c1fce0bb2d1b26b88edbef212ec /arch/arm/mach-omap2/board-igep0020.c | |
| parent | cd2b90d9f7bd33f415e7f17e6ea34808b2ff0e29 (diff) | |
IGEPv2: Added WIFI support
Enabled VMMC2 LDO voltage regulator on TWL4030.
Added GPIO's (power down and reset) for WIFI chip.
Signed-off-by: Anders Hedlund <anders.j.hedlund@gmail.com>
Signed-off-by: Jonas Zetterberg <jozz@jozz.se>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-igep0020.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-igep0020.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index 3d1fde79ab4..4a5d663e286 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -42,6 +42,8 @@ #define IGEP2_GPIO_LED0_GREEN 27 #define IGEP2_GPIO_LED1_RED 28 #define IGEP2_GPIO_DVI_PUP 170 +#define IGEP2_GPIO_WIFI_NPD 94 +#define IGEP2_GPIO_WIFI_NRESET 95 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \ defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) @@ -209,6 +211,10 @@ static struct regulator_consumer_supply igep2_vmmc1_supply = { .supply = "vmmc", }; +static struct regulator_consumer_supply igep2_vmmc2_supply = { + .supply = "vmmc", +}; + /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */ static struct regulator_init_data igep2_vmmc1 = { .constraints = { @@ -224,6 +230,21 @@ static struct regulator_init_data igep2_vmmc1 = { .consumer_supplies = &igep2_vmmc1_supply, }; +/* VMMC2 for OMAP VDD_MMC2 (i/o) and MMC2 WIFI */ +static struct regulator_init_data igep2_vmmc2 = { + .constraints = { + .min_uV = 1850000, + .max_uV = 3150000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE + | REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &igep2_vmmc2_supply, +}; + static struct omap2_hsmmc_info mmc[] = { { .mmc = 1, @@ -251,6 +272,7 @@ static int igep2_twl_gpio_setup(struct device *dev, * regulators will be set up only *after* we return. */ igep2_vmmc1_supply.dev = mmc[0].dev; + igep2_vmmc2_supply.dev = mmc[1].dev; return 0; }; @@ -364,6 +386,7 @@ static struct twl4030_platform_data igep2_twldata = { .codec = &igep2_codec_data, .gpio = &igep2_gpio_data, .vmmc1 = &igep2_vmmc1, + .vmmc2 = &igep2_vmmc2, .vpll2 = &igep2_vpll2, }; @@ -440,6 +463,23 @@ static void __init igep2_init(void) gpio_set_value(IGEP2_GPIO_LED1_RED, 0); } else pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n"); + + /* GPIO W-LAN + Bluetooth combo module */ + if ((gpio_request(IGEP2_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) && + (gpio_direction_output(IGEP2_GPIO_WIFI_NPD, 1) == 0)) { + gpio_export(IGEP2_GPIO_WIFI_NPD, 0); +/* gpio_set_value(IGEP2_GPIO_WIFI_NPD, 0); */ + } else + pr_warning("IGEP v2: Could not obtain gpio GPIO_WIFI_NPD\n"); + + if ((gpio_request(IGEP2_GPIO_WIFI_NRESET, "GPIO_WIFI_NRESET") == 0) && + (gpio_direction_output(IGEP2_GPIO_WIFI_NRESET, 1) == 0)) { + gpio_export(IGEP2_GPIO_WIFI_NRESET, 0); + gpio_set_value(IGEP2_GPIO_WIFI_NRESET, 0); + udelay(10); + gpio_set_value(IGEP2_GPIO_WIFI_NRESET, 1); + } else + pr_warning("IGEP v2: Could not obtain gpio GPIO_WIFI_NRESET\n"); } static void __init igep2_map_io(void) |